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/*-
* BSD LICENSE
*
* Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _AESNI_GCM_OPS_H_
#define _AESNI_GCM_OPS_H_
#ifndef LINUX
#define LINUX
#endif
#include <gcm_defines.h>
#include <aux_funcs.h>
/** Supported vector modes */
enum aesni_gcm_vector_mode {
RTE_AESNI_GCM_NOT_SUPPORTED = 0,
RTE_AESNI_GCM_SSE,
RTE_AESNI_GCM_AVX,
RTE_AESNI_GCM_AVX2,
RTE_AESNI_GCM_VECTOR_NUM
};
enum aesni_gcm_key {
AESNI_GCM_KEY_128,
AESNI_GCM_KEY_192,
AESNI_GCM_KEY_256,
AESNI_GCM_KEY_NUM
};
typedef void (*aesni_gcm_t)(const struct gcm_key_data *gcm_key_data,
struct gcm_context_data *gcm_ctx_data, uint8_t *out,
const uint8_t *in, uint64_t plaintext_len, const uint8_t *iv,
const uint8_t *aad, uint64_t aad_len,
uint8_t *auth_tag, uint64_t auth_tag_len);
typedef void (*aesni_gcm_precomp_t)(const void *key, struct gcm_key_data *gcm_data);
typedef void (*aesni_gcm_init_t)(const struct gcm_key_data *gcm_key_data,
struct gcm_context_data *gcm_ctx_data,
const uint8_t *iv,
uint8_t const *aad,
uint64_t aad_len);
typedef void (*aesni_gcm_update_t)(const struct gcm_key_data *gcm_key_data,
struct gcm_context_data *gcm_ctx_data,
uint8_t *out,
const uint8_t *in,
uint64_t plaintext_len);
typedef void (*aesni_gcm_finalize_t)(const struct gcm_key_data *gcm_key_data,
struct gcm_context_data *gcm_ctx_data,
uint8_t *auth_tag,
uint64_t auth_tag_len);
/** GCM library function pointer table */
struct aesni_gcm_ops {
aesni_gcm_t enc; /**< GCM encode function pointer */
aesni_gcm_t dec; /**< GCM decode function pointer */
aesni_gcm_precomp_t precomp; /**< GCM pre-compute */
aesni_gcm_init_t init;
aesni_gcm_update_t update_enc;
aesni_gcm_update_t update_dec;
aesni_gcm_finalize_t finalize;
};
#define AES_GCM_FN(keylen, arch) \
aes_gcm_enc_##keylen##_##arch,\
aes_gcm_dec_##keylen##_##arch,\
aes_gcm_pre_##keylen##_##arch,\
aes_gcm_init_##keylen##_##arch,\
aes_gcm_enc_##keylen##_update_##arch,\
aes_gcm_dec_##keylen##_update_##arch,\
aes_gcm_enc_##keylen##_finalize_##arch,
static const struct aesni_gcm_ops gcm_ops[RTE_AESNI_GCM_VECTOR_NUM][AESNI_GCM_KEY_NUM] = {
[RTE_AESNI_GCM_NOT_SUPPORTED] = {
[AESNI_GCM_KEY_128] = {NULL},
[AESNI_GCM_KEY_192] = {NULL},
[AESNI_GCM_KEY_256] = {NULL}
},
[RTE_AESNI_GCM_SSE] = {
[AESNI_GCM_KEY_128] = {
AES_GCM_FN(128, sse)
},
[AESNI_GCM_KEY_192] = {
AES_GCM_FN(192, sse)
},
[AESNI_GCM_KEY_256] = {
AES_GCM_FN(256, sse)
}
},
[RTE_AESNI_GCM_AVX] = {
[AESNI_GCM_KEY_128] = {
AES_GCM_FN(128, avx_gen2)
},
[AESNI_GCM_KEY_192] = {
AES_GCM_FN(192, avx_gen2)
},
[AESNI_GCM_KEY_256] = {
AES_GCM_FN(256, avx_gen2)
}
},
[RTE_AESNI_GCM_AVX2] = {
[AESNI_GCM_KEY_128] = {
AES_GCM_FN(128, avx_gen4)
},
[AESNI_GCM_KEY_192] = {
AES_GCM_FN(192, avx_gen4)
},
[AESNI_GCM_KEY_256] = {
AES_GCM_FN(256, avx_gen4)
}
}
};
#endif /* _AESNI_GCM_OPS_H_ */
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